D'Amico, Jason, Ellen Gasparovic, Greg Malen, and Mushan Zhong. “A Medial-Axis-Based Measure of District Compactness”. The PUMP Journal of Undergraduate Research 8 (November 22, 2025): 446–471. Accessed February 12, 2026. https://journals.test.calstate.edu/pump/article/view/6250.